Ключевые слова: architecture, background, bars, beam, bridge, builder, building, business, cement, cementing, column, concrete, concrete formwork, construction, design, engineering, equipment, fitting, form, formwork, foundation, foundation building, frame, framework, hard, hardhat, helmet, house, housing, industrial, industry, iron, men, metal, rebar, reinforcement, reinforcing, rod, screw, site, spring clip, steel, steel rebar, structure, structures, technology, wall, wall concrete, wire, work,